The skull is the most important factor in relation to the labor and birth processes.
The fetal skull must be small enough to travel through the bony pelvis.
What feature of the fetal skull helps to make this passage possible?
Cephalhematoma.
Vertex presentation.
Caput Succedaneum.
Molding.
The Correct Answer is D
Choice A rationale:
A cephalhematoma is a collection of blood that can occur under the scalp of a newborn. It does not aid in the passage of the fetal skull through the birth canal.
Choice B rationale:
Vertex presentation refers to the position of the fetus in the womb, not a feature of the skull that aids in birth.
Choice C rationale:
Caput succedaneum is a swelling of the scalp in a newborn. It is caused by pressure from the uterus or vaginal wall during a head-first (vertex) delivery, not a feature that aids in birth.
Choice D rationale:
Molding refers to the shaping of the fetal skull to fit through the birth canal. This is possible due to the presence of sutures and fontanelles in the skull, which allow the bony plates of the skull to move and overlap.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Perinatal transmission is a way HIV can be transmitted, but it’s not the primary means for adolescents.
Choice B rationale:
Sexual intercourse is the primary means by which adolescents are exposed to HIV.
Choice C rationale:
Sharing needles for IV drug use is a risk factor, but not the primary means for adolescents.
Choice D rationale:
Blood transfusion was a common means of transmission in the past, but it’s rare now due to rigorous screening.
Correct Answer is B
Explanation
Choice A rationale:
Bradypnea and hypertension are not typically signs of impending shock.
Choice B rationale:
Tachycardia and a falling blood pressure are classic signs of shock as the body tries to compensate for the decreased blood flow.
Choice C rationale:
Tachypnea and a widening pulse pressure can be signs of shock, but they are not as indicative as tachycardia and a falling blood pressure.
Choice D rationale:
Bradycardia and auscultation of fluid in the base of the lungs are not typically signs of impending shock.
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